EP0066805A3 - Substraction fluoroscopy method and apparatus - Google Patents
Substraction fluoroscopy method and apparatus Download PDFInfo
- Publication number
- EP0066805A3 EP0066805A3 EP82104686A EP82104686A EP0066805A3 EP 0066805 A3 EP0066805 A3 EP 0066805A3 EP 82104686 A EP82104686 A EP 82104686A EP 82104686 A EP82104686 A EP 82104686A EP 0066805 A3 EP0066805 A3 EP 0066805A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- substraction
- fluoroscopy method
- fluoroscopy
- substraction fluoroscopy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/32—Transforming X-rays
- H04N5/3205—Transforming X-rays using subtraction imaging techniques
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Closed-Circuit Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/271,314 US4393402A (en) | 1981-06-08 | 1981-06-08 | Subtraction fluoroscopy method and apparatus |
US271314 | 1994-07-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0066805A2 EP0066805A2 (en) | 1982-12-15 |
EP0066805A3 true EP0066805A3 (en) | 1984-01-11 |
EP0066805B1 EP0066805B1 (en) | 1986-02-26 |
Family
ID=23035064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82104686A Expired EP0066805B1 (en) | 1981-06-08 | 1982-05-28 | Subtraction fluoroscopy method and apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US4393402A (en) |
EP (1) | EP0066805B1 (en) |
JP (2) | JPS589489A (en) |
DE (1) | DE3269335D1 (en) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4449195A (en) * | 1981-11-13 | 1984-05-15 | General Electric Company | Digital fluorographic processor control |
DE3148507A1 (en) * | 1981-12-08 | 1983-06-16 | Siemens AG, 1000 Berlin und 8000 München | X-RAY DIAGNOSTIC SYSTEM FOR ANGIOGRAPHIC X-RAY EXAMINATIONS |
NL8202417A (en) * | 1982-06-15 | 1984-01-02 | Philips Nv | APPARATUS AND METHOD FOR PROCESSING ROENTGEN IMAGES. |
NL8202415A (en) * | 1982-06-15 | 1984-01-02 | Philips Nv | METHOD AND APPARATUS FOR DIFFERENCE IMAGE DETERMINATION. |
JPS58220588A (en) * | 1982-06-17 | 1983-12-22 | Toshiba Corp | Video signal processor |
US4444196A (en) * | 1982-06-21 | 1984-04-24 | Diagnostic Technology, Inc. | Digital intravenous subtraction angiography |
US4468698A (en) * | 1982-07-21 | 1984-08-28 | General Electric Company | Line-locked digital fluorography system |
US4468696A (en) * | 1982-07-21 | 1984-08-28 | General Electric Company | Line-locked digital fluorography system |
JPS5940834A (en) * | 1982-08-28 | 1984-03-06 | 株式会社東芝 | Pulse x-ray diagnostic apparatus |
JPS5961386A (en) * | 1982-09-30 | 1984-04-07 | Toshiba Corp | Picture correcting device |
US4551800A (en) * | 1982-11-26 | 1985-11-05 | General Electric Company | Integrated hybrid image remasking in a subtraction angiography method |
JPS59180452A (en) * | 1983-03-31 | 1984-10-13 | Toshiba Corp | Pulse x-ray diagnosis system |
JPS59161806U (en) * | 1983-04-13 | 1984-10-30 | 株式会社 日立メデイコ | Digital X-ray fluoroscopy device with subtraction function |
US4561054A (en) * | 1983-10-13 | 1985-12-24 | General Electric Company | Film-based dual energy radiography |
EP0142841A3 (en) * | 1983-11-18 | 1987-04-29 | Kabushiki Kaisha Toshiba | Aperture device of radiation diagnostic apparatus |
US4754331A (en) * | 1984-01-04 | 1988-06-28 | Litton Systems, Inc. | Digitizer for an image processing system |
US4616319A (en) * | 1984-08-06 | 1986-10-07 | General Electric Company | Storage of digitized video images on disk |
US4647986A (en) * | 1984-08-06 | 1987-03-03 | General Electric Company | Storing video images on disk using video time base and retrieving the images using disk time base |
US4638381A (en) * | 1984-08-06 | 1987-01-20 | General Electric Company | Storage of digitized video images on disk |
US4674064A (en) * | 1984-08-06 | 1987-06-16 | General Electric Company | Selectable bit length serial-to-parallel converter |
IL75601A (en) * | 1984-08-06 | 1990-01-18 | Gen Electric | Storage of digitized video images on disk |
US4636850A (en) * | 1984-09-07 | 1987-01-13 | Adac Laboratories, Inc. | Apparatus and method for enhancement of video images |
US4825388A (en) * | 1986-04-01 | 1989-04-25 | Princeton Gamma Tech., Inc. | Apparatus and method for processing digital images |
US5099859A (en) * | 1988-12-06 | 1992-03-31 | Bell Gene D | Method and apparatus for comparative analysis of videofluoroscopic joint motion |
US5347590A (en) * | 1991-06-10 | 1994-09-13 | General Electric Company | Spatial filter for an image processing system |
DE4331908C1 (en) * | 1993-09-20 | 1995-05-24 | Siemens Ag | X-ray medical diagnostics system |
JP3539539B2 (en) * | 1998-04-28 | 2004-07-07 | シャープ株式会社 | Image processing apparatus, image processing method, and recording medium recording image processing program |
US6643536B2 (en) * | 2000-12-29 | 2003-11-04 | Ge Medical Systems Global Technology Company, Llc | System and method for synchronization of the acquisition of images with the cardiac cycle for dual energy imaging |
US6636582B2 (en) * | 2001-11-08 | 2003-10-21 | Ge Medical Systems Global Technology Co., Llc | Multiple energy x-ray imaging techniques |
EP1729638A4 (en) * | 2004-03-29 | 2007-07-18 | Cmt Medical Technologies Ltd | Apparatus and method of improved angiographic imaging |
KR20080042806A (en) * | 2005-08-09 | 2008-05-15 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | System and method for dual energy dynamic x-ray imaging |
FR2914463B1 (en) * | 2007-03-27 | 2010-12-24 | Gen Electric | METHOD FOR CORRECTING REMANENT LOADS IN AN X-RAY FLAT PANEL DETECTOR |
EP2962639A1 (en) * | 2014-06-30 | 2016-01-06 | Agfa Healthcare | A fluoroscopy system for detection and real-time display of fluoroscopy images |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3854049A (en) * | 1973-12-10 | 1974-12-10 | Wisconsin Alumni Res Found | Compensation for patient thickness variations in differential x-ray transmission imaging |
GB2057221A (en) * | 1979-07-19 | 1981-03-25 | Philips Nv | Device for generating differentially enhanced images |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4054914A (en) * | 1975-10-29 | 1977-10-18 | Olympus Optical Company Limited | Facsimile scanning conversion system |
JPS5442596A (en) * | 1977-09-09 | 1979-04-04 | Hitachi Ltd | Source of nuclear fussion device |
US4204226A (en) * | 1978-05-16 | 1980-05-20 | Wisconsin Alumni Research Foundation | Real-time digital X-ray time interval difference imaging |
IT1095061B (en) * | 1978-05-19 | 1985-08-10 | Conte Raffaele | EQUIPMENT FOR MAGNETIC REGISTRATION OF CASUAL EVENTS RELATED TO MOBILE VEHICLES |
US4272787A (en) * | 1978-09-07 | 1981-06-09 | Micro Consultants Limited | T.V. Picture freeze system |
US4239971A (en) * | 1979-10-05 | 1980-12-16 | Pennwalt Corporation | Simultaneously displaying varying tomographic images of dental arch with single panoramic X-ray exposure |
DE3131651A1 (en) * | 1980-08-18 | 1982-05-27 | General Electric Co., Schenectady, N.Y. | Arrangement for subtracting X-ray images |
US4445226A (en) * | 1981-05-05 | 1984-04-24 | The Board Of Trustees Of The Leland Stanford Junior University | Multiple-energy X-ray subtraction imaging system |
-
1981
- 1981-06-08 US US06/271,314 patent/US4393402A/en not_active Expired - Fee Related
-
1982
- 1982-05-28 EP EP82104686A patent/EP0066805B1/en not_active Expired
- 1982-05-28 DE DE8282104686T patent/DE3269335D1/en not_active Expired
- 1982-06-08 JP JP57097059A patent/JPS589489A/en active Granted
-
1989
- 1989-04-25 JP JP1103623A patent/JPH0220978A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3854049A (en) * | 1973-12-10 | 1974-12-10 | Wisconsin Alumni Res Found | Compensation for patient thickness variations in differential x-ray transmission imaging |
GB2057221A (en) * | 1979-07-19 | 1981-03-25 | Philips Nv | Device for generating differentially enhanced images |
Also Published As
Publication number | Publication date |
---|---|
DE3269335D1 (en) | 1986-04-03 |
EP0066805B1 (en) | 1986-02-26 |
JPS589489A (en) | 1983-01-19 |
EP0066805A2 (en) | 1982-12-15 |
JPH0261837B2 (en) | 1990-12-21 |
US4393402A (en) | 1983-07-12 |
JPH0220978A (en) | 1990-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB NL |
|
17P | Request for examination filed |
Effective date: 19830317 |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Designated state(s): DE FR GB NL |
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GRAA | (expected) grant |
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AK | Designated contracting states |
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REF | Corresponds to: |
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ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
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STAA | Information on the status of an ep patent application or granted ep patent |
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26N | No opposition filed | ||
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